Element block pseudo-element :after generated with z-index auto line-height 1 border-radius box-sizing content-box display block cursor default font-weight normal box-shadow 2px 2px 1px rgba(0,0,0,0.3) margin 0px height auto float none border 2px rgba(0,0,0,1) solid position absolute text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform padding 10px transition overflow hidden width 160px font-size 16px background